CN110057216A - Stacked plate heat exchanger - Google Patents

Stacked plate heat exchanger Download PDF

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Publication number
CN110057216A
CN110057216A CN201910032043.0A CN201910032043A CN110057216A CN 110057216 A CN110057216 A CN 110057216A CN 201910032043 A CN201910032043 A CN 201910032043A CN 110057216 A CN110057216 A CN 110057216A
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CN
China
Prior art keywords
plate
heat exchanger
short side
molded part
plate heat
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
CN201910032043.0A
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Chinese (zh)
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CN110057216B (en
Inventor
安德烈亚斯·德兰科夫
蒂莫·费尔德克勒
托马斯·默滕
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Mahle International GmbH
Original Assignee
Mahle International GmbH
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Filing date
Publication date
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Publication of CN110057216A publication Critical patent/CN110057216A/en
Application granted granted Critical
Publication of CN110057216B publication Critical patent/CN110057216B/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/02—Evaporators
    • F25B39/022—Evaporators with plate-like or laminated elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/005—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another the plates having openings therein for both heat-exchange media
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D1/00—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators
    • F28D1/02—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid
    • F28D1/03—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits
    • F28D1/0308—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other
    • F28D1/0325—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another
    • F28D1/0333—Heat-exchange apparatus having stationary conduit assemblies for one heat-exchange medium only, the media being in contact with different sides of the conduit wall, in which the other heat-exchange medium is a large body of fluid, e.g. domestic or motor car radiators with heat-exchange conduits immersed in the body of fluid with plate-like or laminated conduits the conduits being formed by paired plates touching each other the plates having lateral openings therein for circulation of the heat-exchange medium from one conduit to another the plates having integrated connecting members
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0037—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the conduits for the other heat-exchange medium also being formed by paired plates touching each other
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D9/00—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall
    • F28D9/0031—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other
    • F28D9/0043—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another
    • F28D9/0056—Heat-exchange apparatus having stationary plate-like or laminated conduit assemblies for both heat-exchange media, the media being in contact with different sides of a conduit wall the conduits for one heat-exchange medium being formed by paired plates touching each other the plates having openings therein for circulation of at least one heat-exchange medium from one conduit to another with U-flow or serpentine-flow inside conduits; with centrally arranged openings on the plates
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/025—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements
    • F28F3/027—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being corrugated, plate-like elements with openings, e.g. louvered corrugated fins; Assemblies of corrugated strips
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/044—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being pontual, e.g. dimples
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/04—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element
    • F28F3/042—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element
    • F28F3/046—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being integral with the element in the form of local deformations of the element the deformations being linear, e.g. corrugations
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/02—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations
    • F28F3/06—Elements or assemblies thereof with means for increasing heat-transfer area, e.g. with fins, with recesses, with corrugations the means being attachable to the element
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F3/00—Plate-like or laminated elements; Assemblies of plate-like or laminated elements
    • F28F3/08—Elements constructed for building-up into stacks, e.g. capable of being taken apart for cleaning
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B2339/00—Details of evaporators; Details of condensers
    • F25B2339/04—Details of condensers
    • F25B2339/043—Condensers made by assembling plate-like or laminated elements
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F25—REFRIGERATION OR COOLING; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS; MANUFACTURE OR STORAGE OF ICE; LIQUEFACTION SOLIDIFICATION OF GASES
    • F25B—REFRIGERATION MACHINES, PLANTS OR SYSTEMS; COMBINED HEATING AND REFRIGERATION SYSTEMS; HEAT PUMP SYSTEMS
    • F25B39/00—Evaporators; Condensers
    • F25B39/04—Condensers
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28D—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA DO NOT COME INTO DIRECT CONTACT
    • F28D21/00—Heat-exchange apparatus not covered by any of the groups F28D1/00 - F28D20/00
    • F28D2021/0019—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for
    • F28D2021/008—Other heat exchangers for particular applications; Heat exchange systems not otherwise provided for for vehicles
    • F28D2021/0085—Evaporators

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  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Heat-Exchange Devices With Radiators And Conduit Assemblies (AREA)

Abstract

The present invention relates to a kind of stacked plate heat exchanger (2), in particular for the oil cooler, refrigerator or condenser of motor vehicles.The stacked plate heat exchanger (2) has several elongated plates (1) overlayed on another, has been alternately formed between the plates for two media (M1, M2) cavity (3).In addition, flow openings (8a there are two being formed in a neighboring manner at the first short side (6a) in each plate (1), access portal (9a there are two 8b) and in the second short side (6b) staggered relatively with the first short side (6a) being formed, 9b), wherein, dome (10a, 10b) is respectively formed with around two access portals (9a, 9b).In addition, the elongated separation molded part (11) being projected into cavity (3) is formed in the plate surface (4) of at least one plate (1), separation molded part (11) extends between two flow openings (8a, 8b) from the first short side (6a) along the direction of the second short side (6b).According to the present invention, it is adjacent first short side (6a) with the angle (α) between 45 ° and 90 ° to separate molded part (11).

Description

Stacked plate heat exchanger
Technical field
Preamble according to claim 1, the present invention relates to a kind of stacked plate heat exchangers, in particular for motor vehicle Oil cooler, refrigerator or condenser.
Background technique
Stacked plate heat exchanger is well known in the art, and be used for example as the oil cooler in motor vehicles, Refrigerator or condenser.Stacked plate heat exchanger has several elongated boards overlayed on another herein, in elongated board Between be formed with cavity.In the cavity that one is arranged on another, two media (cooling medium and medium to be cooled) stream It is dynamic, so that heat exchange occurs between two media.Cavity is herein by the surface of each plate and marginal surface and by adjacent Support plate limits.It in each plate, is formed there are four opening, described four those in the plate being placed on another at one that are open This is corresponded to, and forms a total of four channel perpendicular to plate.Two in these channels are provided for a kind of confession of medium It gives and is discharged, and two in these channels are provided for the supply and discharge of another medium to corresponding cavity.For The cavity of two media replaces in stacked plate heat exchanger at this, and channel is specially fluidly connected with corresponding cavity.
Each medium flows to another opening from an opening across the surface of each plate.Flowing can be U-shaped, example Such as, as described in DE102012107381A1.In order to expand the surface for the plate for forming heat exchanger, onboard formed thin The so-called raised line of long molded part-.Molded part is parallel to the longitudinal center axis of each plate herein and extends, and two are opened Mouth is separated from each other.Therefore each medium directly cannot flow to another opening from an opening, and enhance heat exchange.Substitution Other flowings can be also arranged in the flowing of U-shaped, just as example in US5, described in 735,343A.Here, raised line is by plate Surface is divided into two parts, so that each medium discretely flows through each part.
In stacked plate heat exchanger, at least one medium respectively by its state of aggregation from gas and changing be fluid, Huo Zhecong Fluid changes into gas, and therefore volume flow changes.Here, the amount of medium needed for heat exchange is not by optimal land productivity With, and the output in stacked plate heat exchanger and pressure proportional are thus and non-optimal.
Summary of the invention
Therefore it is an object of the present invention to for general types stacked plate heat exchanger point out it is a kind of improved or extremely Few alternative embodiment, wherein overcoming described disadvantage.
According to the present invention, which is solved by the theme of independent claims 1.Beneficial embodiment is dependent claims Theme.
The coherent condition of medium for being suitable for flowing through the present invention is based on the flow section made in stacked plate heat exchanger it is main Design.Stacked plate heat exchanger is herein more particularly to being oil cooler, refrigerator or condenser for motor vehicles. Stacked plate heat exchanger has several elongated boards being placed on another, and use is formed in an alternating fashion between elongated board In the cavity of two media (cooling medium and medium to be cooled).The cavity is at each plate respectively by plate surface and encirclement wall It limits to region, the encirclement wall is from plate surface protrusion and surrounds the latter.In addition, in each plate, in a neighboring manner One short side forms two flow openings, and forms two access portals in second short side staggered relatively with the first short side, In be respectively formed the dome being projected into cavity from plate surface in each plate around two access portals.In at least one plate In plate surface, the elongated separation molded part being projected into cavity is formed, the separation molded part is between two flow openings The first short side along the second short side direction extend.According to the present invention, it is adjacent with the angle [alpha] between 45 ° and 90 ° to separate molded part It connects.
Two short sides are connected to each other by than the two long long sides of short side.Plate surface is substantially rectangular, and respectively, and two A short side equal length, two long side lengths are equal.Separate molded part and plate surface is divided into two flow regions.Herein In, the first flow region surrounds the first flow openings of the inflow for each medium, and is separating molded part and a long side Between extend from the first short side to the second short side.Second flow region surrounds the second flow openings of the outflow for each medium, And extend between molded part and another long side from the first short side to the second short side separating.Two flow regions are along separation Molded part fluidly separates each other, and only fluidly connected to one another at the second short side.Separate molded part to abut herein First short side, so that not flowing generation along the first short side, and each medium is forced to U-shaped flowing in each plate.By dividing Has the fact that angularly abut the first short side every molded part, flow section changes along the flow direction of each medium.Specifically, Flow section is suitable for the coherent condition of each medium, makes it possible to optimize the output in stacked plate heat exchanger and pressure proportional, and And it can optimally utilize amount needed for heat exchange.Herein, if a dry plate being stacked on another can be constructed For to be identical or plate can be different from plate.
Valuably, it can make and separate molded part for linear or setting towards the long lateral bend for connecting two short sides It sets.Separating molded part can also have with the separated region of bending angle at least two linears adjacent to each other.One marker space The ratio of the total length of the length and separation molded part in domain is then between 0 and 1.By be equal to 0 or 1 ratio, one point Septal area domain is extended in another separated region, so that the separation molded part in two separated regions is equivalent to the separation of linear Molded part.By the adaptation of bending angle, the flowing at corresponding plate and the heat exchange between two media thus can It is optimised.Bending angle β can change between 90 ° and 100 ° herein.
Valuably, separate molded part with the first short side of ratio cut partition between the 0.3 of the total length of short side and 0.5.It is logical 0.5 ratio is crossed, separates molded part and medially abuts short side, so that two regions formed by separation molded part are at least first Flow section having the same at short side.By lesser ratio, separates molded part and be respectively offset from a stream at the first short side Dynamic opening or a long side, so that flow section is different at least at the first short side.It can be along second in addition, separating molded part The direction of short side extends to 0.2 times to 0.8 times of the length of long side from the first short side.Along the direction of the first short side from the second short side Remaining 0.8 times of length of the long side length for being comparable to join domain to 0.2 times, two in the join domain Flow region overlapping and it is fluidly connected to one another.
It is beneficial in order to optimize each medium in the flowing in each flow region and the heat exchange in stacked plate heat exchanger Ground, at least one flowing guide structure can be disposed in the cavity of at least one plate.Flowing guide structure can guide respectively Medium passes through flow region and is mixed.Each flowing guide structure can be for example turbulent insertion piece.Alternatively, each stream Dynamic guide structure is capable of forming (such as punching press) in the plate surface of each plate, is projected into cavity.Flowing guidance knot herein Structure can include several convex block shapes or elongated or wavy molded part.It valuably, can be respectively in the separation of at least one plate The two sides arrangement flowing guide structure of molded part, and respectively flowing guide structure can be configured such that it is identical or different 's.The various possible constructions of each plate are generated as a result, so that the flowing and heat exchange in each plate can be adapted to each medium, and Suitable for changing the coherent condition of each medium.
In the beneficial further exploitation of stacked plate heat exchanger according to the present invention, at least one plate can be made Flow openings and/or access portal have flow section different from each other setting.In addition, one overlays on another The flow openings and access portal of plate can be corresponded to fluidly each other, and one in stacked plate heat exchanger overlay it is another The flow openings of plate on a and the flow section of access portal can increase continuously or reduce to plate one by one.With this beneficial The flow section of mode, the channel formed by flow openings and access portal can be increasedd or decreased continuously.It is each herein The minimal flow section in channel and the ratio in maximum fluidity section are between 0.25 and 1.With this beneficial mode, each channel The flow section coherent condition of medium that can also be suitable for flowing through.
In short, in stacked plate heat exchanger according to the present invention, what the flow section in each plate can be adapted to respectively to flow through The coherent condition of medium.Thereby, it is possible to optimize output and pressure proportional in stacked plate heat exchanger, and being capable of optimal land productivity The amount needed for heat exchange.Valuably, stacked plate heat exchanger is then able to be respectively provided with less or lesser plate, without subtracting The output of small stacked plate heat exchanger.Thus cost advantage is obviously produced.
Further important feature and benefit of the invention is from dependent claims, attached drawing and passes through the auxiliary of attached drawing Relevant drawings description shows.
It should be understood that in the case where not departing from the scope of the present invention, above-mentioned feature and remain below The feature of middle further explanation can not only be used in each pointed combination, but also can be used in other combinations or It is used alone.
Detailed description of the invention
Currently preferred exemplary embodiment is shown in the accompanying drawings, and is retouched in further detail in the following description It states, wherein identical appended drawing reference refers to same or similar or functionally identical component.
Respectively schematically shown with
Fig. 1 is the view of the plate in stacked plate heat exchanger according to the present invention, and the plate has being separated into for linear Type part；
Fig. 2 is the view of the plate in stacked plate heat exchanger according to the present invention, and the plate has band, and there are two marker spaces The separation molded part in domain；
Fig. 3 is the view of the plate in stacked plate heat exchanger according to the present invention, wherein separation molded part and short side are placed in the middle Ground is adjacent；
Fig. 4 is the view of the plate of stacked plate heat exchanger according to the present invention, and the plate has turbulent insertion piece；
Fig. 5 is the view of the plate of stacked plate heat exchanger according to the present invention, and the plate has in the two sides for separating molded part There is identical flowing guide structure.
Specific embodiment
Fig. 1 shows the view of the plate 1 in stacked plate heat exchanger 2 according to the present invention.On corresponding plate 1, cavity 3 It is limited by plate surface 4 and encirclement 5 region of wall, the encirclement wall 5 extends from 4 protrusion of plate surface and around the latter.Lamination Formula heat exchanger 2 has several one such plates 1 overlayed on another, is formed with cavity 3 between two plates 1.Tool Body, stacked plate heat exchanger 2 can be the oil cooler, refrigerator or condenser for motor vehicles.
Corresponding plate 1 is determined shape to be elongated and have the first short side 6a and opposite with the first short side 6a put The the second short side 6b set.Two short side 6a and 6b are connected to each other by two opposite long side 7a and 7b.Short side 6a and 6b with Long side 7a and 7b limits plate surface 4.In the first short side 6a, there are two flow openings 8a and 8b for formation.First medium M1It can flow It crosses flow openings 8a and 8b and enters cavity 3 and neutralize from the outflow of cavity 3.In the second short side 6b, there are two access portals for arrangement 9a and 9b is respectively formed with the dome 10a being projected into cavity 3 from plate surface 4 around described two access portal 9a and 9b And 10b.Dome 10a and 10b prevent second medium M2It is flowed into cavity 3, and prevents first medium M1It is flowed out from cavity 3.Flowing The 8a and 8b and access portal 9a and 9b that is open replaces in a plate 1 being placed on another of stacked plate heat exchanger 2, So that respectively flowing through first medium M in the cavity 3 stacked1Or second medium M2。
In plate surface 4, it is formed with the elongated separation molded part 11 being projected into cavity 3, that is, so-called raised line, institute It states raised line and extends between two flow openings 8a and 8b from the first short side 6a along the direction of the second short side 6b.Herein, divide Every molded part 11 with the adjacent first short side 6a of angle [alpha], the angle [alpha] is preferably placed between 45 ° and 90 °.In the example embodiment In, separation molded part 11 is linear, and with the adjacent first short side 6a of 60 ° of angle [alpha].Separate molded part 11 with 0.3 to the The ratio of the overall length of one short side 6a divides the first short side 6a, and prolongs elongate sides from the first short side 6a along the direction of the second short side 6b 0.8 times of the length of 7a and 7b.
Separate molded part 11 and plate surface 4 is divided into two flow regions 4a and 4b with unequal flow section. From service duct 12a, first medium M1It flows through the first flow openings 8a and enters the first flow region 4a, and also along second It flows in the direction of short side 6b.In the second short side 6b, first medium M1It is transferred and is opened in the second flow region 4b to flowing Mouth 8b is flowed and is entered in passing away 12b.Such as herein and further indicated by an arrow, first medium M1? It is flowed in a manner of U-shaped in plate 1, and flow section reduces along from flow openings 8a to the direction of flow openings 8b.Flow section It is thereby adapted for first medium M1Coherent condition, the first medium becomes fluid from gas herein, such as within the condenser.Specifically Ground, output and pressure proportional can be thus optimised in stacked plate heat exchanger 2, and can optimally utilize heat exchange institute The first medium M needed1Amount.In addition, flow openings 8a and 8b also have different from each other and are suitable for first medium M1Aggregation shape The flow section of state.It should be understood that the flow section of flow section and flow openings 8a and 8b in plate 1 also can be adapted to First medium M1, the first medium M1Such as become gas from fluid in refrigerator or evaporator.
In addition, being disposed with the first flowing guide structure 13a in flow region 4a, and it is disposed in flow region 4b Second flowing guide structure 13b.In this example embodiment, the first flowing guide structure 13a includes several convex blocks (nub) 14, (such as punching press) is integrally formed in plate surface 4 in the convex block in flow region 4a, and is projected into cavity 3.At this In example embodiment, second flowing guide structure 13b is formed in wavy mode, and for example integrally punching press in plate surface 4 On, and be easily projected into cavity 3.Fluidal texture 13a and 13b is guided at plate 1 and is mixed first medium M1, and energy It is enough thus to reinforce heat exchange.In addition, being formed on the second fluidal texture 13b with separating 11 region of molded part, so that being separated into First medium M is prevented at type part 111Uncrossed flow through.
It should be understood that being used for second medium M2Plate can be constructed in an identical manner.However, illustrated herein Plate 1 at, second medium M2It does not flow, and such as herein and further indicated by an arrow, is flowed through out via first The passing away 15b that the service duct 15a and second of mouth 9a flows through opening 9b is transported in the cavity of next plate.
Fig. 2 shows the views of the plate 1 alternatively constructed in stacked plate heat exchanger 2 according to the present invention.Show at this In example embodiment, separating molded part 11 has two linear the separated region 11as and 11b adjacent to each other with bending angle β.Bending Angle beta is about 160 ° herein, and the ratio of the total length of the length of shorter separated region 11a and separation molded part 11 It is approximately in 0.3.Therefore, the length of longer separated region 11b and the ratio for the total length for separating molded part 11 are about 0.7.Flowing guide structure 13a and 13b are respectively disposed in flow region 4a and 4b.First, which flows guide structure 13a, includes Several convex blocks 14, and the second flowing guide structure 13b is determined shape in wavy mode.In this example embodiment, it flows The flow section of opening 8a and 8b is identical.
Fig. 3 shows the view of the plate 1 alternatively constructed in stacked plate heat exchanger 2 according to the present invention.Show at this In example embodiment, separates molded part 11 and pass through the adjacent first short side 6a of angle [alpha] close to 90 °.In flow region 4a, flowing is drawn Guide structure 13a is formed with several convex blocks 14, and the second wavy flowing guide structure 13b is formed in flow region 4b.
Fig. 4 shows the view of the plate 1 alternatively constructed in stacked plate heat exchanger 2 according to the present invention.It is flowing In the 4a of region, flows guide structure 13a and arranged in the form of turbulent insertion piece 16, and in flow region 4b, it is formed with second Wavy flowing guide structure 13b.In this example embodiment, it is short by the angle [alpha] adjacent first close to 90 ° to separate molded part 11 Side 6a.
Fig. 5 shows the view of the plate 1 in stacked plate heat exchanger 2 according to the present invention.Herein, two wave flows Dynamic guide structure 13a and 13b are constructed in an identical manner, and are formed to mirror symmetry at molded part 11 separating.It is separated into Type part 11 passes through adjacent first short side of angle [alpha] close to 90 °.
In short, flow section in each plate 1 can be adapted to respectively flow through in stacked plate heat exchanger 2 according to the present invention Medium M1And M2Coherent condition.Thereby, it is possible to optimize output and pressure proportional in stacked plate heat exchanger 2, and can Optimally utilize each medium M needed for heat exchange1And M2Amount.

Claims (10)

1. a kind of stacked plate heat exchanger (2), in particular for the oil cooler, refrigerator or condenser of motor vehicles,
Wherein the stacked plate heat exchanger (2) has several elongated plates (1) overlayed on another, described It has been alternately formed between plate for two media (M1And M2) cavity (3),
Wherein the cavity (3) is prominent by plate surface (4) and from the plate surface (4) respectively at each plate (1) and surrounds the latter Encirclement wall (5) region limit,
Wherein in each plate (1), two flow openings (8a, 8b) are formed in a neighboring manner at the first short side (6a), and Two access portals (9a, 9b) shape in a neighboring manner at second short side (6b) staggered relatively with first short side (6a) At,
Wherein in each plate (1), it is respectively formed around described two access portals (9a, 9b) prominent from the plate surface (4) To the dome (10a, 10b) in the cavity (3),
Wherein in the plate surface (4) of at least one plate (1), be formed be projected into it is elongated in the cavity (3) Separation molded part (11), separation molded part (11) is from first short side (6a) along the direction of second short side (6b) Extend between described two flow openings (8a, 8b),
It is characterized in that,
It is described to separate molded part (11) to be greater than 45 ° and angle [alpha] and first short side (6a) adjoining less than 90 °.
2. stacked plate heat exchanger according to claim 1,
It is characterized in that,
The separation molded part (11) is curved for linear or towards the long side (7a, 7b) of two short sides (6a, 6b) of connection It is bent.
3. stacked plate heat exchanger according to claim 1 or 2,
It is characterized in that,
The separated region (11a, 11b) for separating molded part (11) and there are at least two linears, the separated region (11a, 11b) is adjacent to each other with bending angle (β), and
At the ratio of the total length of one length and separation molded part (11) in the separated region (11a, 11b) Between 0 and 1.
4. stacked plate heat exchanger according to one of the preceding claims,
It is characterized in that,
Separation molded part (11) by first short side (6a) with 0.3 of the total length with first short side (6a) with Ratio cut partition between 0.5.
5. stacked plate heat exchanger according to one of the preceding claims,
It is characterized in that,
Separation molded part (11) extends to the length from first short side (6a) along the direction of second short side (6b) 0.2 times to 0.8 times of the length of side (7a, 7b).
6. stacked plate heat exchanger according to one of the preceding claims,
It is characterized in that,
In the cavity (3) of at least one plate (1), it is disposed at least one flowing guide structure (13a, 13b).
7. stacked plate heat exchanger according to claim 6,
It is characterized in that,
Respectively flowing guide structure (13a, 13b) is turbulent insertion piece (16), or
Each flowing guide structure (13a, 13b) in the plate surface (4) of each plate (1) is projected into the cavity (3) and is formed, And there is several convex block shapes or elongated or wavy molded part.
8. stacked plate heat exchanger according to claim 6 or 7,
It is characterized in that,
At the separation molded part (11) of at least one plate (1), two sides be respectively disposed with flowing guide structure (13a, 13b), and
Respectively flowing guide structure (13a, 13b) is configured such that it is same or different.
9. stacked plate heat exchanger according to one of the preceding claims,
It is characterized in that,
The flow openings (8a, 8b) and/or access portal (9a, 9b) of at least one plate (1) have flow section different from each other.
10. stacked plate heat exchanger according to one of the preceding claims,
It is characterized in that,
The flow openings (8a, 8b) and access portal (9a, 9b) of-one plate (1) overlayed on another fluid each other Ground is corresponding, and
The flowing of the flow openings (8a, 8b) and access portal (9a, 9b) of-one plate (1) overlayed on another is cut Face increases continuously or reduces to plate one by one along the direction of the stacked plate heat exchanger (2) so that by flow openings (8a, 8b) and The flow section in the channel (12a, 12b, 15a, 15b) that access portal (9a, 9b) is formed continuously increaseds or decreases.
CN201910032043.0A 2018-01-18 2019-01-14 Stacked plate heat exchanger Active CN110057216B (en)

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